WLtoys XK K200 RC Helicopter for Adults, 2.4GHz 4 Channel Remote Control Helicopter, Easy to Fly RC Aircraft with 6-Axis Gyro, Altitude Hold, Optical Flow Positioning, One Key Take Off/Landing

No ailerons, simple 4-channel design. It adopts a 6-axis gyroscope with the functions of air pressure elevation and optical flow positioning. It has one-button take off and one-button land functions, making the product easier to control and more suitable for novice operators.
4 channel remote control, low voltage alarm size rudder volume conversion and other functions. Specially equipped with aircraft hover debugging mode, entering the debugging mode can adjust the aircraft to the best state.
Remote control can be left and right hand free conversion, indoor optical flow positioning mode switch, optical flow positioning is recommended to fly in strong light, clear lines, low wind environment, and maintain a height of about 1.5 meters for the best effect.
The flight control system has two new receiver converter sockets. 5V is suitable for FUTABA(S-BUS) and other receivers with (S-BUS) ports, and 3V is suitable for DSM receivers. Remote control adopts independent positioner rocker seat, feel more delicate, more accurate back.
It uses 050 carbon brush motor plus heat sink protection, so that the motor life is longer. The tail motor is connected by detachable plug, convenient for customer replacement. Standard 7.4v 600mah 25c power battery with USB charging plug. The battery life is about 16 minutes.